Module 7: Strings

What is a string in C?

• A collection of integers

• A data type to store multiple characters

• A single character

• A reserved keyword

Which character is used to terminate a C string?

• Null character '\0'

• Exclamation mark '!'

• Question mark '?'

• Asterisk '*'

How do you declare and initialize a string in C?

• Using double quotes like "Hello, World!"

• Using a semicolon at the end of a character array

• Using the keyword "string"

• Using angle brackets like <string>

What is the result of concatenating the strings "Hello" and "World" in C?

• "HelloWorld"

• "Hello World"

• "Hello,World"

• "Hello World!"

In C, how do you modify a character in a string?

• Use the strcat() function

• Use the strncpy() function

• Use an assignment statement like str[3] = 'X';

• You cannot modify characters in a string